21529616

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79153}}^1$

素因数の和:79178

約数の個数: 20

約数和(自身を含む): 44167932

約数和(自身を除く): 22638316

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79153, 158306, 316612, 633224, 1266448, 1345601, 2691202, 5382404, 10764808, 21529616]

約数ペア:

[(1, 21529616), (2, 10764808), (4, 5382404), (8, 2691202), (16, 1345601), (17, 1266448), (34, 633224), (68, 316612), (136, 158306), (272, 79153)]